Definitions for "OSPD"
Official Scrabble Players Dictionary, the North American word guide, published by Mirriam Webster. The third edition (OSPD3), published in 1996 was sanitized for family play, but has 1200 more words than the second edition (OSPD2). For tournament play, all words from both editions are used (TWL).
Pronounced Oh-Ess-Pee-Dee, this is the familiar abbreviation of the Official SCRABBLE Players Dictionary published by Merriam-Webster.